Haemoblastomas of the gastrointestinal tract.
D005770:Gastrointestinal Neoplasms / Q000473:pathology*; D006801:Humans; D008223:Lymphoma / Q000473:pathology*; D016403:Lymphoma, Large B-Cell, Diffuse / Q000145:classification / Q000473:pathology*; D008228:Lymphoma, Non-Hodgkin / Q000473:pathology*; D012189:Retrospective Studies